198357568

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1039}}^1$

素因数の和:1227

約数の個数: 56

約数和(自身を含む): 417372800

約数和(自身を除く): 219015232

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 157, 304, 314, 608, 628, 1039, 1216, 1256, 2078, 2512, 2983, 4156, 5024, 5966, 8312, 10048, 11932, 16624, 19741, 23864, 33248, 39482, 47728, 66496, 78964, 95456, 157928, 163123, 190912, 315856, 326246, 631712, 652492, 1263424, 1304984, 2609968, 3099337, 5219936, 6198674, 10439872, 12397348, 24794696, 49589392, 99178784, 198357568]

約数ペア:

[(1, 198357568), (2, 99178784), (4, 49589392), (8, 24794696), (16, 12397348), (19, 10439872), (32, 6198674), (38, 5219936), (64, 3099337), (76, 2609968), (152, 1304984), (157, 1263424), (304, 652492), (314, 631712), (608, 326246), (628, 315856), (1039, 190912), (1216, 163123), (1256, 157928), (2078, 95456), (2512, 78964), (2983, 66496), (4156, 47728), (5024, 39482), (5966, 33248), (8312, 23864), (10048, 19741), (11932, 16624)]